<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../js/jquery-1.11.3.js"></script>
</head>
<body>
<form>
    <input value="a">
    <textarea>aa</textarea>
</form>
<script type="text/javascript">
    $("input").css({
        'color':'red',
        'font-size':'2em'
    })
</script>

</body>
</html>